ST7-STICK45 STMICROELECTRONICS [STMicroelectronics], ST7-STICK45 Datasheet - Page 26

• Manufacturer Part Number: ST7-STICK45
• Description: 8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST7LITE0xY0, ST7LITESxY0
SUPPLY, RESET AND CLOCK MANAGEMENT (Cont’d)
Figure 14. Clock Management Block Diagram
26/124
1
CLKIN
f
7
CR7
OSC
1% RC
CR6
/2 DIVIDER
/32 DIVIDER
Tunable
CR5
Oscillator
CR4
CR3
f
OSC
CR2
LITE TIMER COUNTER
f
OSC
MCO
Option byte
CR1
/32
8-BIT
SMS
1
0
0
CR0
PLL 1MHz -> 8MHz
PLL 1MHz -> 4MHz
MCCSR
RCCR
(1ms timebase @ 8 MHz f
f
LTIMER
0 to 8 MHz
8MHz
4MHz
1MHz
f
CPU
Option byte
TO CPU AND
PERIPHERALS
(except LITE
TIMER)
OSC
f
CPU
)
f
OSC
MCO